AnswersFL-2001340-Environmental Science B-CRCumulative Exam

Cumulative Exam — Cumulative exam Answers

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1
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Which of the following is a difficulty associated with environmental protection?

A
cost
B
unpredictability
C
sustainability
D
all of the above
2
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Forest management practices can reduce the negative impact of wood harvesting.

A
T
B
F
3

Pollution in the _______ will have the greatest effect on human health.

A
troposphere
B
stratosphere
C
mesosphere
D
thermosphere
4

Which of the following is the most important factor in achieving sustainability?

A
ending nonrenewable resource use
B
agricultural practices
C
resource management
D
ending pesticide use
5

Which is most likely a source of air pollution?

A
littering
B
CFCs
C
oil spill
D
runoff
6

How can the use of biotechnology lead to an increase in soil conservation practices?

A
Biotechnology use can lead to a decrease in pesticide and herbicide use, maintaining soil quality.
B
Biotechnology use can lead to soil compaction, preventing erosion.
C
Biotechnology use can increase the amount of management required for agriculture, increasing the likelihood of the practice of soil conservation.
D
All of the above
7

Which of the following could cause a habitat change?

A
introduction of an invasive species
B
a wildfire
C
a mudslide
D
all of the above
8

Which of the following aspects of society is the least affected by limiting factors?

A
location
B
health
C
behavior
D
stability
9

What is the most important consideration for environmental policy makers?

A
popular opinion
B
environmental health
C
cost
D
none of the above
10

The increase in the population of people living in urban areas will cause a decrease in urban sprawl.

A
T
B
F
11

Which of the following can be reduced by the use of renewable energy sources?

A
social costs
B
economic costs
C
environmental costs
D
all of the above
12

Which of the following best explains why marine debris is not caused solely by countries bordering the ocean?

A
Marine debris mostly originates from oceangoing ships.
B
Debris is carried to the ocean by winds, rivers, and storms.
C
Marine debris originates from natural sources.
D
None of the above
13

The principle difference between point source and nonpoint source water pollution is _______.

A
whether the pollution is organic or inorganic
B
the number of sources of pollution
C
the amount of pollution
D
whether it is from commercial or agricultural sources
14

Zoning laws establish _______.

A
what types of buildings can be built in an area
B
the uses an area of land can be put to
C
who can live in an area
D
the types of business that can occupy a building
15

It is important for _______ to participate in conservation efforts.

A
government
B
business
C
citizens
D
all of the above
16

Which of the following groups of individuals is at the highest risk for environmentally induced health risks?

A
infants
B
teenagers
C
college students
D
adults
17

Which of the following best explains why soil conservation is important to human agriculture?

A
Erosion prevention prevents millions of dollars in damage from mudslides.
B
It is easier to prevent the degradation of old soil than it is to generate new soil.
C
If the soil salinity gets too high crops will not be able to grow in it.
D
Soil contamination is a hazard to human and animal health.
18

Which of the following statements about wetlands is not true?

A
There is more than one type of wetland.
B
Wetlands can contain either freshwater or saltwater.
C
Wetlands exist in a small range of climates.
D
Wetlands support a variety of organisms.
19

Desalination has no known negative impacts on the environment.

A
T
B
F
20

While an important source of freshwater, groundwater is not as widely used as rivers and springs.

A
T
B
F

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